R40 - Light Bulbs - The Home Depot

Question 1

What does "lumens" mean, and how does it relate to brightness?

Accepted Answer

"Lumens" measure how much light a bulb emits – the higher the lumens, the brighter the bulb! To determine the right bulb for your needs, our Light Bulb Brightness guide will explain how to choose the appropriate number of lumens to light up a room.

Question 2

What are type A light bulbs, and why are they so common?

Accepted Answer

Type A light bulbs are the classic, pear-shaped bulbs you're most likely familiar with. They fit standard medium-base sockets and are widely used in lamps and fixtures throughout homes. Their popularity stems from their versatility, affordability, and compatibility with most everyday lighting setups, making them a reliable choice for general illumination.

Question 3

Which r40 light bulbs are the best selling?

Accepted Answer

The 250-Watt R40 Dimmable Mercury Free Incandescent Clear Heat Lamp Bulb (6-Pack) is one of our best-selling r40 light bulbs.

Question 4

What does the enclosed fixture rate mean for my light bulbs, and why is it important?

Accepted Answer

Enclosed fixture rated light bulbs are designed to handle the heat buildup inside enclosed fixtures, preventing premature failure and ensuring safe operation. This is crucial for fixtures like globes or recessed lighting where airflow is limited, allowing you to choose the correct bulb for your light.

Question 5

What are some popular brands of r40 light bulbs?

Accepted Answer

Some popular brands known for high-quality r40 light bulbs include Sunlite, Simply Conserve, and Westinghouse.

R40 R40 Light Bulbs

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Department

Review Rating

Brand

Sunlite

INTERLIGHT

Simply Conserve

Westinghouse

Price

$10 - $20

$40 - $50

$50 - $100

$100 - $150

$400 - $500

Lighting Technology

Incandescent

LED

Mercury Vapor

Bulb Shape

Light Bulb Features

No additional features

Energy Saving

Light Bulb Shape Code

A19

T8

ST19

B11

A15

G25

Specialty Code

MR16

PL

BR30

T5

PAR38

T4

A21

B10

G16.5

PAR30

T9

T3

T10

BR40

BA10

T12

S14

CA11

T6

ED17

PAR20

R20

G40

ST64

A23

MR11

T14

C7

BA11

PAR16

BR20

CA10

G12

G16

T7

C11

T6.5

R14

ST18

T45

T25

ED28

ST58

B13

S11

PAR36

T60

B12